CN214082054U - Rectangular steel formwork for integrally prefabricating reinforced concrete floor - Google Patents

Rectangular steel formwork for integrally prefabricating reinforced concrete floor Download PDF

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Publication number
CN214082054U
CN214082054U CN202020280829.2U CN202020280829U CN214082054U CN 214082054 U CN214082054 U CN 214082054U CN 202020280829 U CN202020280829 U CN 202020280829U CN 214082054 U CN214082054 U CN 214082054U
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CN
China
Prior art keywords
steel
square steel
shaped steel
reinforced concrete
die carrier
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Expired - Fee Related
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CN202020280829.2U
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Chinese (zh)
Inventor
徐兴才
施招宏
杨茜茜
陈茹
赵凯
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Guangxi Mining And Construction Group Co ltd
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Guangxi Mining And Construction Group Co ltd
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Priority to CN202020280829.2U priority Critical patent/CN214082054U/en
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Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a rectangle steel die carrier of whole precast reinforced concrete floor, including the square steel die carrier in upper portion and with the square steel die carrier in upper portion can dismantle the square steel die carrier in lower part of connection, the square steel die carrier in upper portion with all be provided with the connecting hole on the square steel die carrier in lower part, be provided with connecting bolt on the connecting hole, connecting bolt tip threaded connection has fastening nut, the utility model relates to a rationally, the utility model relates to a be applied to the assembly type construction, solved the face gluten because the operation personnel trample when cast-in-place concrete construction and cause to sink and produce a large amount of negative bending district fracture phenomena, ensure the problem that the muscle appears in the end. Meanwhile, the problems that the joint part is easy to crack and seep water and the overall performance of the plate is insufficient due to the fact that a large number of construction cold joints are generated by adopting laminated plate construction in assembly type construction are solved.

Description

Rectangular steel formwork for integrally prefabricating reinforced concrete floor
Technical Field
The utility model relates to a building engineering technical field especially relates to a rectangle steel form of whole precast reinforced concrete floor.
Background
At present, in the assembly type building construction, the construction related to the reinforced concrete precast floor slab usually adopts the form of a laminated slab, and one slab is formed by partially prefabricating and partially cast-in-situ laminating. Namely, an integral floor slab is formed by adopting a prefabricated hoisting of a bottom plate and the upper part of the floor slab is superposed and cast in situ. The construction method is close to the construction of cast-in-place slabs, has the advantages of greatly shortening the construction period, reducing the on-site concrete supply amount, having certain defects, influencing the overall mechanical property of the slabs to a certain degree, and easily causing the phenomenon of layering and cracking due to poor combination of construction cold joints formed by layering and large-area superposition. Meanwhile, the negative rib of the laminated plate surface can also cause dislocation to a certain extent due to treading of the surface layer in a cast-in-place mode, so that a negative bending area of the floor slab is cracked, and certain defects exist.
Disclosure of Invention
The invention aims to overcome the problems in the prior art, provides a rectangular steel formwork for integrally prefabricating a reinforced concrete floor, solves the problem that a large amount of negative bending area cracking phenomenon is generated due to sinking caused by treading of operating personnel during cast-in-place concrete construction of the surface gluten, ensures that bottom ribs are not exposed, and simultaneously solves the problem that a large amount of construction cold seams are generated in the construction of laminated slabs in assembly type construction to cause easy cracking and water seepage of a combined part.
In order to realize the technical purpose, the technical effect is achieved, the utility model discloses a realize through following technical scheme:
the utility model provides a rectangular steel die carrier of whole prefabricated reinforced concrete floor, including the square steel die carrier in upper portion and with the square steel die carrier in lower part of connection can be dismantled to the square steel die carrier in upper portion, the square steel die carrier in upper portion with all be provided with the connecting hole on the square steel die carrier in lower part, be provided with connecting bolt on the connecting hole, connecting bolt tip threaded connection has fastening nut.
Preferably, among the rectangle steel form of above-mentioned whole precast reinforced concrete floor, the square steel form of upper portion frame includes four last U-shaped steel that are the rectangle and distribute, and four go up and to dismantle the connection between the U-shaped steel, evenly be provided with a plurality of face muscle holes that are used for laying the board gluten on the U-shaped steel.
Preferably, among the rectangle steel form of above-mentioned whole precast reinforced concrete floor, the square steel form of lower part frame includes four lower U-shaped steel that are the rectangle and distribute, and four can dismantle the connection down between the U-shaped steel, evenly be provided with a plurality of bottom surface muscle holes that are used for laying the board gluten on the U-shaped steel down, be located the side of a left side go up U-shaped steel and down U-shaped steel tip and all be provided with the angle steel, just the angle steel passes through fastening bolt demountable installation and is adjacent go up U-shaped steel and on the lower U-shaped steel.
Preferably, in the rectangular steel formwork of the integrally precast reinforced concrete floor slab, the plate surface rib holes on the two opposite upper U-shaped steel sections are arranged in pairs.
Preferably, in the rectangular steel formwork of the integrally precast reinforced concrete floor slab, the bottom surface rib holes on the two lower U-shaped steel sections are arranged in pairs.
Preferably, the construction method of the rectangular steel formwork for the integrally prefabricated reinforced concrete floor slab comprises the following steps:
s100, manufacturing an upper square steel framework and a lower square steel framework according to the size of a prefabricated plate for site construction;
s200, opening plate surface rib holes and bottom surface rib holes by using a hole opening machine according to the positioning sizes on the upper U-shaped section steel and the lower U-shaped section steel;
s300, assembling and fixing the upper square steel formwork and the lower square steel formwork by using the fastening bolts.
S400, placing a bottom square steel mould frame on a horizontal plane, and fixedly connecting an upper square steel mould frame through a connecting bolt and a fastening nut according to a positioning requirement to form a symmetrical overlapped mould frame;
s500, enabling bottom ribs of the precast slabs to penetrate through bottom rib holes, enabling the gluten to penetrate through panel rib holes, arranging appropriate cushion layers, supporting, hoisting and curing after concrete pouring of hydroelectric embedded parts, and dismantling the precast slabs after the concrete reaches certain strength.
The utility model has the advantages that:
the utility model relates to a rationally, the utility model discloses be applied to the assembled construction, solved the face gluten and trampled when the cast-in-place concrete construction operating personnel and cause to sink and produce a large amount of negative bending district fracture phenomena, ensure the problem that the muscle appears in the end. Meanwhile, the problems that the joint part is easy to crack and seep water and the overall performance of the plate is insufficient due to the fact that a large number of construction cold joints are generated by adopting laminated plate construction in assembly type construction are solved.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of an upper square steel formwork of the present invention;
FIG. 2 is a schematic view of the structure of the square steel formwork at the lower part of the utility model;
FIG. 3 is a schematic view of the superimposed three-dimensional structure of the rectangular steel form of the present invention;
fig. 4 is the sectional view of the reinforced concrete precast slab of the utility model.
In the drawings, the components represented by the respective reference numerals are listed below:
1-upper square steel form; 2-a square steel framework at the lower part; 3-connecting holes; 4-connecting bolts; 5-mounting U-shaped steel; 6-plate surface rib holes; 7-lower U-shaped section steel; 8-bottom rib holes; 9-angle steel; 10-fastening bolts; 11-tightening the nut.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, the present embodiment is a rectangular steel formwork for integrally prefabricating a reinforced concrete floor, the rectangular steel formwork for integrally prefabricating a reinforced concrete floor includes an upper square steel formwork 1 and a lower square steel formwork 2 detachably connected to the upper square steel formwork 1, the upper square steel formwork 1 and the lower square steel formwork 2 are both provided with a connecting hole 3, the connecting hole 3 is provided with a connecting bolt 4, and an end of the connecting bolt 4 is in threaded connection with a fastening nut 11.
The square steel die carrier 1 in upper portion includes four last U-shaped steel 5 that are the rectangle and distribute, and four go up and to dismantle the connection between the U-shaped steel 5, evenly be provided with a plurality of face muscle holes 6 that are used for laying the board gluten on the U-shaped steel 5.
The square steel die carrier 2 in lower part includes four lower U-shaped steel 7 that are the rectangle and distribute, and four can dismantle the connection down between the U-shaped steel 7, evenly be provided with a plurality of bottom surface muscle holes 8 that are used for laying the board gluten on the U-shaped steel 5 down.
Be located left and right side go up U-shaped steel 5 and 7 tip of lower U-shaped steel and all be provided with angle steel 9, just angle steel 9 passes through fastening bolt 10 demountable installation and is adjacent go up U-shaped steel 5 and on the lower U-shaped steel 7.
The plate surface rib holes 6 on the two opposite upper U-shaped steel 5 are arranged in pairs.
The bottom surface rib holes 8 on the two opposite lower U-shaped steel sections 7 are arranged in pairs.
The utility model also provides a rectangular steel die carrier construction method of whole precast reinforced concrete floor, including following step:
s100, manufacturing an upper square steel framework and a lower square steel framework according to the size of a prefabricated plate for site construction;
s200, opening plate surface rib holes and bottom surface rib holes by using a hole opening machine according to the positioning sizes on the upper U-shaped section steel and the lower U-shaped section steel;
s300, assembling and fixing the upper square steel formwork and the lower square steel formwork by using the fastening bolts.
S400, placing a bottom square steel mould frame on a horizontal plane, and fixedly connecting an upper square steel mould frame through a connecting bolt and a fastening nut according to a positioning requirement to form a symmetrical overlapped mould frame;
s500, enabling bottom ribs of the precast slabs to penetrate through bottom rib holes, enabling the gluten to penetrate through panel rib holes, arranging appropriate cushion layers, supporting, hoisting and curing after concrete pouring of hydroelectric embedded parts, and dismantling the precast slabs after the concrete reaches certain strength.
The utility model relates to a rationally, the utility model discloses be applied to the assembled construction, solved the face gluten and trampled when the cast-in-place concrete construction operating personnel and cause to sink and produce a large amount of negative bending district fracture phenomena, ensure the problem that the muscle appears in the end. Meanwhile, the problems that the joint part is easy to crack and seep water and the overall performance of the plate is insufficient due to the fact that a large number of construction cold joints are generated by adopting laminated plate construction in assembly type construction are solved.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (5)

1. The utility model provides a rectangle steel framework of whole precast reinforced concrete floor which characterized in that: including square steel form (1) in upper portion and with the square steel form (2) in lower part of connection can be dismantled in square steel form (1) in upper portion, square steel form (1) in upper portion with all be provided with connecting hole (3) on the square steel form (2) in lower part, be provided with connecting bolt (4) on connecting hole (3), connecting bolt (4) tip threaded connection has fastening nut (11).
2. The rectangular steel form of the integral precast reinforced concrete floor slab according to claim 1, wherein: the square steel form (1) in upper portion includes four last U-shaped steel (5) that are the rectangle and distribute, and four go up and to dismantle the connection between U-shaped steel (5), evenly be provided with a plurality of face muscle holes (6) that are used for laying the board muscle on U-shaped steel (5).
3. The rectangular steel form of the integral precast reinforced concrete floor slab according to claim 2, wherein: square steel form (2) of lower part are including four lower U-shaped steel (7) that are the rectangle and distribute, and four can dismantle the connection between lower U-shaped steel (7), evenly be provided with a plurality of bottom surface muscle holes (8) that are used for laying the board gluten on lower U-shaped steel (7), be located the side of a left side go up U-shaped steel (5) and lower U-shaped steel (7) tip and all be provided with angle steel (9), just angle steel (9) are adjacent through fastening bolt (10) demountable installation go up U-shaped steel (5) and on lower U-shaped steel (7).
4. The rectangular steel form of the integral precast reinforced concrete floor slab according to claim 2, wherein: the plate surface rib holes (6) on the two opposite upper U-shaped steel sections (5) are arranged in pairs.
5. The rectangular steel form of the integral precast reinforced concrete floor slab according to claim 3, wherein: the bottom surface rib holes (8) on the two lower U-shaped steel sections (7) are arranged in pairs.
CN202020280829.2U 2020-03-10 2020-03-10 Rectangular steel formwork for integrally prefabricating reinforced concrete floor Expired - Fee Related CN214082054U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020280829.2U CN214082054U (en) 2020-03-10 2020-03-10 Rectangular steel formwork for integrally prefabricating reinforced concrete floor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020280829.2U CN214082054U (en) 2020-03-10 2020-03-10 Rectangular steel formwork for integrally prefabricating reinforced concrete floor

Publications (1)

Publication Number Publication Date
CN214082054U true CN214082054U (en) 2021-08-31

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ID=77417481

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020280829.2U Expired - Fee Related CN214082054U (en) 2020-03-10 2020-03-10 Rectangular steel formwork for integrally prefabricating reinforced concrete floor

Country Status (1)

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CN (1) CN214082054U (en)

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Granted publication date: 20210831

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